v0.17.2

VectorizationBase v0.17.2

Diff since v0.17.1

Merged pull requests:

• Use getter functions to specify system info and @eval in __init__() to correct if misspecified (#46) (@chriselrod)
• LoopVectorization Unroll (#47) (@chriselrod)
• Add combined tile store and transposed store and load (#48) (@chriselrod)